﻿using System;
class Program
{
    static bool IsPrime(int n)
    {
        if (n <= 1)
            return false;
        for (int i = 2; i <= Math.Sqrt(n); i++)
        {
            if (n % i == 0)
                return false;
        }
        return true;
    }

    static void Main(string[] args)
    {
        Console.WriteLine("偶数和为两个素数:");
        for (int i = 6; i <= 100; i = i + 2)
        {
            for (int j = 2; j <= i / 2; j++)
            {
                if (IsPrime(j) && IsPrime(i - j))
                {
                    Console.WriteLine($"{i} = {j} + {i - j}");
                    break;
                }
            }
        }
    }
}
